import { type Ref } from 'vue';
import type { ThemeName } from '../types';
/**
 * Provides theme-specific data attributes and class helpers.
 * Components use semantic CSS classes + data attributes.
 * Each theme CSS file targets these hooks.
 */
export declare function useThemeClasses(theme: Ref<ThemeName>): {
    themeDataAttr: import("vue").ComputedRef<{
        'data-ui-select-theme': ThemeName;
    }>;
    partAttrs: (part: string, state?: Record<string, boolean | string | undefined>) => Record<string, string | boolean | undefined>;
};